Home / 7,559,809.20-11,339,713.80-6,851,221.20

Finding the Fourth Proportional to 7,559,809.20, 11,339,713.80 and 6,851,221.20

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Solution

The fourth proportional to 7,559,809.20, 11,339,713.80 and 6,851,221.20 is: 10,276,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,559,809.20 : 11,339,713.80 = 6,851,221.20 : x
  2. Step 2: Convert to fraction form
    7,559,809.20/11,339,713.80 = 6,851,221.20/x
  3. Step 3: Cross multiply
    7,559,809.20x = 11,339,713.80 × 6,851,221.20
  4. Step 4: Simplify right side
    7,559,809.20x = 77,690,887,588,492.56
  5. Step 5: Solve for x
    x = 77,690,887,588,492.56/7,559,809.20
  6. Step 6: Final answer
    x = 10,276,831.80

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.